947415

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{1289}}^1$

素因数の和:1311

約数の個数: 24

約数和(自身を含む): 1764720

約数和(自身を除く): 817305

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 147, 245, 735, 1289, 3867, 6445, 9023, 19335, 27069, 45115, 63161, 135345, 189483, 315805, 947415]

約数ペア:

[(1, 947415), (3, 315805), (5, 189483), (7, 135345), (15, 63161), (21, 45115), (35, 27069), (49, 19335), (105, 9023), (147, 6445), (245, 3867), (735, 1289)]